<template>
  <h1>一个人的信息</h1>
  <h2>姓名:{{person.name}}</h2>
  <h2>年龄:{{person.age}}</h2>
  <h3>工作种类:{{person.job.type}}</h3>
  <h3>工作薪水:{{person.job.salary}}</h3>
  <h3>爱好:{{person.hobby}}</h3>
  <h3>测试的数据c:{{person.job.a.b.c}}</h3>
  <button @click="changeInfo">修改人的信息</button>
</template>

<script>
import {reactive} from 'vue'
export default {
  name: 'App',
  setup(){
    //数据
    let person = reactive({
      name:'张三',
      age:18,
      job:{
         type:'前端工程师',
       salary:'30k',
       a:{
         b:{
           c:666
         }
       }
      },
      hobby:['抽烟','喝酒','烫头']
    })

    //方法
    function changeInfo(){
      person.name = '李四'
      person.age = 48
      person.job.type = 'UI工程师'
      person.job.salary = '60k'
      person.job.a.b.c = 999
      person.hobby[0] = '学习'
    }
    
    //返回一个对象（常用）
    return {
      person,
      changeInfo
    }
    
  }
}
</script>


